/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-bg: #fff;
  --color-text: #1a1a1a;
  --color-text-light: #777;
  --color-text-muted: #999;
  --color-accent: #1a1a1a;
  --color-border: #e8e8e8;
  --color-card-bg: #fff;
  --color-sold: #c43e3e;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --gap: 1.25rem;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }

/* === Layout === */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; width: 100%; }
main { flex: 1; padding: 0 0 3rem; }

/* === Header — matches original: centered logo, left nav, right icons === */
.header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.header__nav a {
  font-size: 0.875rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.header__nav a:hover { color: var(--color-text-light); }

/* Logo — large centered serif like the original "GUDZ GALLERY" */
.header__logo {
  text-align: center;
}
.header__logo a {
  display: inline-block;
  color: var(--color-text);
  text-decoration: none;
}
.header__logo-main {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  line-height: 1;
  display: block;
}
.header__logo-sub {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--color-text);
  display: block;
  margin-top: 2px;
}

/* Right side: lang + cart */
.header__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

/* Language toggle — simple text links like original */
.lang-toggle {
  display: flex;
  gap: 0.35rem;
  font-size: 0.8rem;
}
.lang-btn {
  background: none;
  border: none;
  padding: 0.1rem 0.25rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.lang-btn.active {
  color: var(--color-text);
  font-weight: 600;
}
.lang-btn:hover { color: var(--color-text); }

/* Cart icon */
.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.875rem;
}
.cart-count {
  background: var(--color-accent);
  color: #fff;
  font-size: 0.65rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

/* === Breadcrumb / Page Title === */
.page-header {
  padding: 2rem 0 1.5rem;
}
.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-text); }
.page-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* === Filter Bar — understated tabs like original === */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 2rem;
}
.filter-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.filter-btn:hover {
  color: var(--color-text);
}
.filter-btn.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

/* === Product Grid === */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.product-card {
  display: block;
  transition: opacity 0.2s;
}
.product-card:hover { opacity: 0.85; }

.product-card__image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: #f5f5f3;
  margin-bottom: 0.75rem;
}
.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card__badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.product-card__badge.sold {
  background: var(--color-sold);
  color: #fff;
}

.product-card__info { padding: 0; }
.product-card__title {
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 0.15rem;
  line-height: 1.3;
  color: var(--color-text);
}
.product-card__artist {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}
.product-card__price {
  font-size: 0.85rem;
  color: var(--color-text);
}

/* === Product Detail — matches original layout === */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
  padding-top: 1rem;
}

.product-gallery__main {
  background: #f5f5f3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.product-gallery__main img {
  max-width: 100%;
  max-height: 600px;
  object-fit: contain;
}

.product-gallery__thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}
.product-gallery__thumbs .thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 1px solid var(--color-border);
  cursor: pointer;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.2s, border-color 0.2s;
}
.product-gallery__thumbs .thumb.active,
.product-gallery__thumbs .thumb:hover {
  border-color: var(--color-accent);
  opacity: 1;
}

/* Product info — right column */
.product-info__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}
.product-info__sku {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.product-info__price {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}
.product-info__size {
  margin-bottom: 1rem;
}
.product-info__size-label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.product-info__size-value {
  display: inline-block;
  border: 1px solid var(--color-accent);
  padding: 0.3rem 0.75rem;
  font-size: 0.85rem;
}

.product-info__description {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.product-info__section-title {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* Specs list */
.product-info__specs {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}
.product-info__specs li {
  list-style: none;
  padding-left: 1rem;
  position: relative;
}
.product-info__specs li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

/* Details table */
.product-info__details {
  margin-bottom: 1.5rem;
}
.product-info__details > div {
  display: flex;
  gap: 1rem;
  padding: 0.4rem 0;
  font-size: 0.875rem;
}
.product-info__details dt {
  color: var(--color-text-muted);
  min-width: 100px;
}
.product-info__details dd {
  color: var(--color-text);
}

/* === Buttons — outlined style like original "Add to cart" === */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  transition: all 0.2s;
  text-align: center;
  width: 100%;
  margin-bottom: 0.5rem;
  border: 1px solid var(--color-accent);
}
.btn--primary {
  background: #fff;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent);
  color: #fff;
}
.btn--filled {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}
.btn--filled:hover {
  background: #333;
}
.btn--secondary {
  background: #fff;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--disabled {
  background: #f5f5f3;
  color: #aaa;
  border-color: #ddd;
  cursor: not-allowed;
}

/* === Cart === */
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.cart-item__image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  background: #f5f5f3;
}
.cart-item__info h3 {
  font-size: 0.9rem;
  font-weight: 400;
}
.cart-item__variant {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.qty-btn:hover { border-color: var(--color-accent); }
.cart-item__price { font-weight: 400; min-width: 70px; text-align: right; }
.cart-item__remove {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  padding: 0.25rem;
}
.cart-item__remove:hover { color: var(--color-sold); }

.cart-summary {
  text-align: right;
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}
.cart-summary__total {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.cart-summary .btn { max-width: 300px; margin-left: auto; }

/* Cart notification */
.cart-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 200;
}
.cart-notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* === Success Page === */
.success-page {
  text-align: center;
  padding: 5rem 0;
}
.success-page h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  margin-bottom: 1rem;
}
.success-page p { color: var(--color-text-light); margin-bottom: 2rem; }

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 4rem 0;
  color: var(--color-text-light);
}
.empty-state p { margin-bottom: 1.5rem; }

/* === Footer === */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: auto;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* === Loading === */
.loading {
  text-align: center;
  padding: 4rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.no-products {
  text-align: center;
  padding: 4rem;
  color: var(--color-text-muted);
  grid-column: 1 / -1;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .header__inner {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem;
    text-align: center;
  }
  .header__nav { justify-content: center; gap: 1.25rem; }
  .header__right { justify-content: center; }

  .product-detail {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .container { padding: 0 1rem; }

  .cart-item {
    grid-template-columns: 60px 1fr auto;
    gap: 0.75rem;
  }
  .cart-item__qty { grid-column: 2; }
  .cart-item__price { grid-column: 3; grid-row: 1; }
  .cart-item__remove { grid-column: 3; grid-row: 2; justify-self: end; }

  .filters { justify-content: center; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-card__title { font-size: 0.8rem; }
  .product-card__price { font-size: 0.8rem; }
  .header__logo-main { font-size: 1.5rem; letter-spacing: 0.2em; }
  .header__logo-sub { font-size: 0.6rem; }
  .filter-btn { padding: 0.5rem 0.75rem; font-size: 0.8rem; }
}